crumble vs fracture

crumble

verb
  • To break into crumbs. 

  • To fall apart; to disintegrate. 

  • To mix (ingredients such as flour and butter) in such a way as to form crumbs. 

noun
  • A dessert of British origin containing stewed fruit topped with a crumbly mixture of fat, flour, and sugar. 

fracture

verb
  • To break, or cause something to break. 

  • To amuse (a person) greatly; to split someone's sides. 

noun
  • A break in bone or cartilage. 

  • An instance of breaking, a place where something has broken. 

  • A fault or crack in a rock. 

How often have the words crumble and fracture occurred in a corpus of books? (source: Google Ngram Viewer )